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All Journal Jurnal Teknik Elektro Jurnal Floratek Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Jurnal Biogenerasi JIWAKERTA: Jurnal Ilmiah Wawasan Kuliah Kerja Nyata Journal Of Humanities Community Empowerment Callus: Journal of Agrotechnology Science Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science)
M Iwan Wahyudi
Universitas Muhammadiyah Jember
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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UJI JARAK TANAM DAN IMPLIKASINYA TERHADAP PRODUKTIVITAS DAN INTENSITAS SERANGAN PENYAKIT PADA BEBERAPA VARIETAS JAGUNG HIBRIDA (Zea mays L.) DI KABUPATEN JEMBER Wahyud, M. Iwan; Surahman, M. Ali
AGRITROP Vol 16, No 1 (2018): Agritrop : Jurnal Ilmu-Ilmu Pertanian
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (714.15 KB) | DOI: 10.32528/agr.v16i1.1554

Abstract

Produktivitas jagung sangat dipengaruhi oleh bahan tanam dan lingkungan tumbuh tanaman. Salah satu faktor yang menentukan optimalisasi iklim mikro untuk mendukung tumbuh kembang tanaman jagung yaitu jarak tanam. Variasi jarak tanam akan berimplikasi terhadap produktivitas dan menentukan tingkat serangan OPT tanaman jagung hibrida. Penelitian ini bertujuan untuk mengetahui pengaruh jarak tanam terhadap produktivitas tanaman dan intensitas serangan penyakit serta rebah. Design Penelitian menggunakan RAK faktorial dengan Varietas sebagai faktor pertama, dan Jarak tanam sebagai faktor kedua. Varietas terdiri atas   2 taraf yaitu V1 (DK771) dan V2 (DK95), sedangkan Jarak Tanam terdiri atas 5 taraf yaitu J1 (54x20cm), J2 (58x20cm), J3 (64x20cm), J4 (70x20cm), dan J5 (78x20cm). Perlakuan diulang tiga kali dan dilakukan di lima titik kecamatan di Kabupaten Jember dari Januari-Juni 2015. Hasil penelitian menunjukkan bahwa jarak tanam (populasi) berpengaruh sangat nyata terhadap hasil panen untuk semua varietas yang diujikan (DK771 dan DK95), tetapi interaksi antara varietas dengan populasi tidak signifikan terhadap hasil panen. DK771 dan DK95 mencapai potensi hasil tertinggi pada populasi 78.125 - 92.593 di area tadah hujan  dan menurun seiring penurunan populasi. Populasi tanaman tidak berpengaruh nyata terhadap rebah batang maupun rebah akar, begitu juga dengan busuk pelepah dan busuk tongkol tidak secara nyata dipengaruhi oleh populasi tanaman. Adanya perbedaan intensitas serangan penyakit nyata diantara varietas terkait ketahanan genetic masing-masing hibrida.
Balanced Amplifier dengan Menggunakan Driver Op Amp Khoswanto, Handry; T.D.S, Yohanes; Wahyudi, Iwan
Jurnal Teknik Elektro Vol 4, No 2 (2004): SEPTEMBER 2004
Publisher : Institute of Research and Community Outreach

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.942 KB) | DOI: 10.9744/jte.4.2.

Abstract

Conventional amplifier usually uses ground power supply as a signal reference. So it caused the conventional amplifier has IHM noise (Interval Hum Noise Modulation). The system of amplifier must be really balance from the input to output in order to minimalize the noise. This research make a balance amplifier class AB push-pull with power rms 120 Watt and frequency bandwidth between 50Hz to 10kHz. This amplifier use complementary pair as a current-driver. The Experimental result show that the balanced amplifier has power output only 110 Watt, 22 Volt operating voltage and have a bandwidth from 30 Hz until 15 KHz, gain 13,5 dB. Beside that the Experimental result, balanced power amplifier also has very small IHM compared with unbalanced power amplifier. Abstract in Bahasa Indonesia : Pada umumnya amplifier konvensional melibatkan jalur power supply (ground) yang berhubungan dengan jalur audio. Hal ini mengakibatkan pengolahan sinyal audio akan muncul IHM (Interval Hum Modulation) noise. Oleh karena itu, untuk dapat menekan timbulnya noise seminimal mungkin, maka dibuat sebuah amplifier yang tidak bereferensi pada ground power supply. Amplifier tersebut harus benar-benar balance dari input sampai ke output. Untuk merealisasikan balance amplifier tersebut maka ditetapkan spesifikasi klas AB push-pull dengan daya rms sebesar 120 Watt dan lebar bandwidth antara 50 sampai 10kHz. Pada power amplifier digunakan sistem rangkaian complementary pairs sebagai penguat arus. Berdasarkan hasil pengujian ternyata daya output yang keluar ke speaker hanya 110 Watt dengan tegangan supply 22 volt dan memiliki lebar bandwidth antara 30 Hz sampai 15 Hz dengan penguatan sebesar 13.5 dB. Sedangkan pengujian cacat signal juga dilakukan dengan membandingkan antara balanced power amplifier dan unbalanced power amplifier dan hasilnya balanced power amplifier memiliki IHM noise jauh lebih kecil dibandingkan unbalanced power amplifier. Kata kunci: balance amplifier, push-pull, klas AB, op-amp.
PENGARUH PEMBERIAN PUPUK KOMPOS DAN UREA TERHADAP PERTUMBUHAN BIBIT PINANG (Areca catechu L.) Iwan Wahyudi; Muhammad Hatta
Jurnal Floratek Vol 4, No 1 (2009): Vol 4 No 1, 2009
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (742.327 KB)

Abstract

Effect of Compost and Urea on Seedling Growth of Betel Palm (Areca catechu L.) Iwan Wahyudi dan Muhammad Hatta Fakultas Pertanian Unsyiah, Darussalam Banda Aceh ABSTRACT This study was aimed at finding an appropriate dosage of compost and urea for seedling growth of betel palm. In addition, this study was also to determine whether the provision of compost can increase effectiveness of urea fertilizer for seedling growth of betel palm. Results of research showed that compost significantly affected seedling growth of betel palm. The best dosage of compost for the seedling growth was 1.5 kg per seedling. Urea fertilizer also significantly affected seedling growth of betel palm. The best dosage of urea for the seedling growth was 1.5 g per seedling. There were no significant interactions in most variables of seedling growth observed.  
Diversifikasi Produk Olahan Jamur Tiram untuk Menunjang Perekonomian Masyarakat di Kabupaten Jember Muhammad Iwan Wahyudi; Bagus Tripama; Henik Prayuginingsih; Taufik Timur Warisaji
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 7 No. 1 (2021): Agrokreatif Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.7.1.13-21

Abstract

The Stimulus Community Partnership Program (SCPP) activities aims to support oyster mushroom farmers in Jember by improving skills and knowledge for diversifying oyster mushroom processing, building networks and markets, stimulating capital, and improving business managerial which are the main problems of partners in developing their businesses and economies. The SCPP activity method uses capacity building with a community driven development approach which is based on activities that are cognitive, affective, and psychomotor in the context of added value products and oyster mushroom business management including marketing to increase income and partner economy. The results of SCPP are in the form of improving partners' skills in processing oyster mushrooms into 5 prospective products that are needed by the market. In addition, increasing skills in business management starting from planning, organizing partne r members, evaluating product quality, simple bookkeeping, opening online/offline market access as well as strengthening capital in the procurement of production infrastructure are the next outputs of the service activities carried out. This program has been able to solve partner problems in improving the skills of diversifying oyster mushroom processing into processed products that have high prospects in the market. Improved business management and access to new markets, especially online, as well as injections of capital into fresh energy for partners and members to develop their businesses and economies.
Optimizing Optimalisasi Ketersediaan Produk-produk Pertanian Berbasis Organic Farming Menuju Gaya Hidup Sehat melalui Sistem Pertanian Terpadu Syamsul Hadi; Muhammad Hazmi; Insan Wijaya; Arief Noor Akhmadi; Muhammad Iwan Wahyudi
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 7 No. 1 (2021): Agrokreatif Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.7.1.94-105

Abstract

A crucial problem faced by the target village community is the inhibition of changing the paradigm of the farmer community on the process of changing the mindset and action patterns in organic and conventional cultivation systems. In fact, the potential for the application of organic farming in the village is wide open, because the market for organic fertilizers and biological pesticides has started to run. The objective of the IbDM program is to optimize the supply of organic-based agricultural products towards healthy living. The implementation method used to find solutions to problems is in the form of social engineering and technological engineering approaches through socialization and training. The approach taken to the engineering process is in the form of a participatory approach, empowerment, and inter-entrepreneurial development in an effort to strengthen the capacity of community human resources by involving stakeholders through the village system model. The results of program implementation are as follows: 1) Socialization of the IbDM program with the results of partners understanding intellectually about the concept of this activity and are ready to participate in building an organic village; 2) The organic village cycle has been implemented properly with the formation of the Organic Farming Institute (OFI)) Al-Istiqomah; 3) Soil sample analysis has been carried out with 10 types of complete analysis and a 3 hectare demonstration plot mapping has been carried out; 4) A comparative study has been carried out to Gapoktan Al-Barokah Bondowoso; 5) Training has been carried out on the manufacture of organic materials; and 6) The results of the participatory review showed the achievement of success indicators of 65% and OFI performance of 30.23% or semi empowered and ready to go organic.
UJI JARAK TANAM DAN IMPLIKASINYA TERHADAP PRODUKTIVITAS DAN INTENSITAS SERANGAN PENYAKIT PADA BEBERAPA VARIETAS JAGUNG HIBRIDA (Zea mays L.) DI KABUPATEN JEMBER M. Iwan Wahyud; M. Ali Surahman
AGRITROP Vol 16, No 1 (2018): Agritrop : Jurnal Ilmu-Ilmu Pertanian
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/agr.v16i1.1554

Abstract

Produktivitas jagung sangat dipengaruhi oleh bahan tanam dan lingkungan tumbuh tanaman. Salah satu faktor yang menentukan optimalisasi iklim mikro untuk mendukung tumbuh kembang tanaman jagung yaitu jarak tanam. Variasi jarak tanam akan berimplikasi terhadap produktivitas dan menentukan tingkat serangan OPT tanaman jagung hibrida. Penelitian ini bertujuan untuk mengetahui pengaruh jarak tanam terhadap produktivitas tanaman dan intensitas serangan penyakit serta rebah. Design Penelitian menggunakan RAK faktorial dengan Varietas sebagai faktor pertama, dan Jarak tanam sebagai faktor kedua. Varietas terdiri atas   2 taraf yaitu V1 (DK771) dan V2 (DK95), sedangkan Jarak Tanam terdiri atas 5 taraf yaitu J1 (54x20cm), J2 (58x20cm), J3 (64x20cm), J4 (70x20cm), dan J5 (78x20cm). Perlakuan diulang tiga kali dan dilakukan di lima titik kecamatan di Kabupaten Jember dari Januari-Juni 2015. Hasil penelitian menunjukkan bahwa jarak tanam (populasi) berpengaruh sangat nyata terhadap hasil panen untuk semua varietas yang diujikan (DK771 dan DK95), tetapi interaksi antara varietas dengan populasi tidak signifikan terhadap hasil panen. DK771 dan DK95 mencapai potensi hasil tertinggi pada populasi 78.125 - 92.593 di area tadah hujan  dan menurun seiring penurunan populasi. Populasi tanaman tidak berpengaruh nyata terhadap rebah batang maupun rebah akar, begitu juga dengan busuk pelepah dan busuk tongkol tidak secara nyata dipengaruhi oleh populasi tanaman. Adanya perbedaan intensitas serangan penyakit nyata diantara varietas terkait ketahanan genetic masing-masing hibrida.
Manajemen Nutrisi Si Dalam Peningkatan Pertumbuhan Dan Ketahananalami Tanaman Jagung (Zea Mays) Pada Berbagai Kondisi Media Tanah Bejo Soeroso; Insan Wijaya; Wiwit Widiarti; Iwan Wahyudi; Oktarina Oktarina
AGRITROP Vol 19, No 2 (2021): Agritrop: Jurnal Ilmu-Ilmu Pertanian
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/agritrop.v19i2.5993

Abstract

Salah satu upaya peningkatan  produktivitas  tanaman jagung yang  ramah  lingkungan  yaitu dengan  manajemen nutrisi melalui unsure beneficial seperti  Silikon (Si). Unsur hara ini  mampu meningkatkan pertumbuhan dan hasil panen, menekan stress biotik dan abiotik. Peran silicon terhadap tanaman tersebut  sebanding dengan  tingkat  kandungan unsur tersebut di jaringan tanaman. Tujuan penelitian ini adalah untuk mengetahui factor lingkungan media tumbuh yang berpengaruh terhadap terhadap tingkat serapan Si dan implikasinya terhadap pertumbuhan dan ketahanan alami tanaman. Metode yang akan dilaksanakan pada penelitian ini menggunakan rancangan lingkungan RAL faktorial dengan 3 ulangan dan dianailisis menggunakan Analysis of Variance (Anova) yang dilanjutkan dengan Uji duncant (DMRT) apabila terdapat beda nyata. Output dari penelitian yaitu informasi factor dominan media tanam yang mempengaruhi ketersediaan dan tingkat serapan Si tanaman jagung yang berimplikasi pada pertumbuhan dan  ketahanan alami jagung. Hasil penelitian bahwa Kandungan Si di jaringan daun meningkat sejalan dengan peningkatan dosis pupuk Si pada media yang cukup BO, Kahat P, dan Kelebihan N yang menyebabkan penurunan N di jaringan tanaman pada media tinggi N dan peningkatan P pada media yang kahat P, peningkatan kandungan Si dijaringan daun cenderung meningkatkan ketahanan alami tanaman terhadap hama dan penyakit.
KOMPARASI TINGKAT SERAPAN SI PADA BEBERAPA JENIS DAN METODE APLIKASI PUPUK SI SERTA IMPLIKASINYA TERHADAP PENINGKATAN PRODUKTIVITAS DAN KETAHANAN ALAMI TANAMAN JAGUNG (ZEA MAYS) Oktarina Oktarina; M. Iwan Wahyudi; Bagus Tripama
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 19 No 1 (2021): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v19i1.1846

Abstract

The practice of intensive farming systems in corn cultivation with High External Input (HEI) in the form of synthetic chemicals raises problems of ecosystem balance so that national maize productivity remains at 5.1 ton/ha from its potential Yield of 10-12 ton/ha. One of the efforts to increase maize productivity with environmentally friendly principles is the application of silicon fertilization which has the potential to increase the rate of photosynthesis and natural resistance of maize plants. The purpose of this study was to determine the level of Si uptake and accumulation in plant tissues and its implications for corn’s natural resistance, growth, and productivity on several types of Si fertilizers and their application methods. The method to be carried out in this study used an environmental design Splot Plot Design with basic design RCBD with 3 replications and analyzed using Analysis of Variance (ANOVA) followed by 95 % Duncan test (DMRT) if there is a significant difference. The results showed that there was no interaction between the type and method of application with the growth, yield, and natural resistance of plants to pests, but singly affected several observed variables. Silicon fertilization has the potential to increase the uptake rate and content of these elements in plant leaf tissue by application through the roots either leaking or spreading for all types of Si fertilizers although it is not statistically significant. Increasing the Si content in leaf tissue has implications for the relative increase in plant height, especially spray for all types of Si fertilizers, dry weight, number of leaves, leaf area index, and a relative decrease in leaf angle and pest and disease attacks, relatively increasing yield for K2SiO3 and CaSiO3 in all methods. application, as well as the best CaSiO3 in reducing % KA, increasing yield, and % good corncob.
Penyuluhan Pembuatan Perangkap Lalat Buah Dari Botol Plastik Bekas Kemasan Air Mineral Dengan, Menggunakan Umpan Ekstrak Timun Di SMP 2 Yosowilangun Retno Muwarti; Muhammad Iwan Wahyudi; Udkhulis Silmy; Denis Ayu Fadia; Fitrianing Azizah Nurlaily
JIWAKERTA: Jurnal Ilmiah Wawasan Kuliah Kerja Nyata Vol 4, No 1 (2023): Juni
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jiwakerta.v4i1.20946

Abstract

Desa Munder merupakan salah satu bagian dari Kecamatan Yosowilangun, mayoritas masyarakat bekerja pada bidang pertanian, salah satunya sebagai petani buah. Lalat buah (Bactricera sp) merupakan salah satu jenis hama penting yang berasosiasi pada buah-buahan dan menyerang langsung pada bagian tanaman yang akan dipanen. Serangan lalat buah dimulai pada saat tanaman memasuki fase awal pembuahan hingga masa panen, dengan gejala adanya bekas tusukan hingg buah busuk dan gugur. Kegiatan ini dilakukan mahasiswa kkn universitas muhammadiyah jember untuk memberikan pemahaman terhadap penerus petani Desa Munder Kecamatan Yosowilangun Kabupaten Lumajang.  
Coaching Model To Build Entrepreneurship Among Youth Unemployment Hadi, Syamsul; Huda, Tanzil; Wijaya, Insan; Muhammad Iwan, Wahyudi
Journal Of Humanities Community Empowerment Vol. 1 No. 4 (2023): Journal of Humanities Community Empowerment
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jhce.v1i4.473

Abstract

Partners often try to start building productive business, but empowerment still weak due to limited knowledge, skills, health insurance capital, technology and markets. The purpose of this program is to create a new young entrepreneurs reliable, independent and competitive among the youth unemployment. The method that used to solve the problems of these partners through the facilitation of productive economic activity based micro-scale engineering model of coaching in the form of technological and social skills through training with a participatory approach, stimulus funding and mentoring (supervision, monitoring and evaluation). Result of the evaluation of the program show that the impact of the program on the social aspects of both partners is the entrepreneurial spirit is getting stronger which can be measured in absolute numbers with Likert scale indicates the value of a score of 3.5. so it can be concluded that both partners have an entrepreneurial spirit by 75%. The impact of technological engineering shows that partners have been able to increase the procurement of oyster mushroom baglog even by purchasing, increasing turnover and expanding their marketing reach and have even diversified their business in the form of selling oyster mushroom satay. As for the impact of other social engineering is both partners have started to master the techniques of business management reasonably well and being able to access market information, read the market opportunities, technology innovations through the internet facility and has begun marketing management including control of simple bookkeeping
Co-Authors Abdul jalil Amalia Mastuty Anggara, Rhoby Ardiansyah Putra, Yulias Figo Arief Noor Akhmadi Bagus , Tripama Bagus Tripama Bagus Tripama Bejo Soeroso Bejo, Suroso Bq. Fitrihan Rukmana D. Mustamu Qamal Pa’ni Denis Ayu Fadia Erwin Wiksuarini Fachriyan, Hilmi Arija Fitrianing Azizah Nurlaily Galuh, Joko Dwi Handry Khoswanto Hasbi, Hudaini Henik Prayuginingsih Heri Kustanto Hudaini , Hasbi Insan Wijaya Iskandar Umarie L. Hersika Asmawariza M. Ali Surahman Mahardika Ramadhan, Andito Guruh Maulin Halimatunnisa Muhammad Hatta Muhammad Hazmi Muqarrobin, Aoladul Oktarina Oktarina Oktarina Oktarina Oktarina, Oktarina Retno Muwarti Saptya , Prawitasari Septin, Wahyu Silvia Aulia Agustin Subandoro, Renan Surahman, M. Ali Suroso , Bejo Suroso, Bejo Syamsul Hadi Tanzil Huda, Tanzil Taufik Timur Warisaji Tripama, Bagus Udkhulis Silmy Widiarti, Wiwit Wijaya, Insan Windiyanti, Ira Yohanes T.D.S